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The name 'formic acid' has been derived from the name 'formica' as it is derived literally from ants. Wikipedia clearly states: The word "formic" comes from the Latin word for ant, formica, referring to its early isolation by the distillation of ant bodies. If you type 'formic acid etymology' in Google, it will give two links that proves the above ...


3

Hansen Solubility Parameters (HSP) - is the short answer. Your observation has very much to do with the energy density of the solvents - with the idea that lesser the difference in the energy densities better is the ability of solvent to dissolve the solute. I am very poor at explaining things and not an expert in the matter at hand (please excuse me for ...


2

The test is administered by breathing through a tube, and the results become apparent immediately. Indeed, this has something to do with oxidation of alcohol. As soon as the alcohol in the exhale reaches the contents of the test tube, the latter changes its color, and the police guys put you in the handcuffs. Or it doesn't, and they don't. That's a wonderful ...


1

Safe in context of chemistry, physiology or long term health care prevention ? With zero knowledge, it is safer to stay with commercial products, until you know, what you are doing. For mouthwash, calcium carbonate is quite ineffective, being insoluble solid. Better would be solution of sodium bicarbonate ( baking soda ), present in some toothpastes as ...


1

If we consider this from a diffusion perspective, your concept might not be as effective as you might think. Graham's Law of diffusion and effusion of gases states that the rate of diffusion for a gas is inversely proportional to its molar mass ($M$): $$rate_\text{gas A} \propto \frac{1}{\sqrt{M_\text{gas A}}}$$ So, if we want to compare the rate of ...


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